Finding the Fourth Proportional to 1,692.79, 2,537.34 and 1,076.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.79 : 2,537.34 = 1,076.77 : x
2. Step 2: Convert to fraction form
   1,692.79/2,537.34 = 1,076.77/x
3. Step 3: Cross multiply
   1,692.79x = 2,537.34 × 1,076.77
4. Step 4: Simplify right side
   1,692.79x = 2,732,131.59
5. Step 5: Solve for x
   x = 2,732,131.59/1,692.79
6. Step 6: Final answer
   x = 1,613.98